ASoC: core utils: Dont set DMA params for BE substreams

BE substreams dont require dummy DMA configs so dont set any.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 29b211e9c060..5e633659c1b3 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -75,7 +75,11 @@ static const struct snd_pcm_hardware dummy_dma_hardware = {
 
 static int dummy_dma_open(struct snd_pcm_substream *substream)
 {
-        snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+        /* BE's dont need dummy params */
+        if (!rtd->dai_link->no_pcm)
+                snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
 
         return 0;
 }